Diagnostic device



FIG. 1 is a top perspective view of a transparent diagnostic device.

FIG. 2 is a top plan view of the design of FIG. 1.

FIG. 3 is bottom plan view of the design of FIG. 1.

FIG. 4 is a right side elevational view of the design of FIG. 1.

FIG. 5 is a left side elevational view of the design of FIG. 1.

FIG. 6 is a front elevational view of the design of FIG. 1.

FIG. 7 is a rear elevational view of the design of FIG. 1; and,

FIG. 8 is a perspective view of the design of FIG. 1, showing the diagnostic device in an opened position. 

The ornamental design for a diagnostic device, as shown and described. 